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				Arralen said: 
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				NTJedi said: 
Only one suggested improvement would be having a few provinces which provide one-way traveling.  Even if this cannot be included within the random map generator hopefully the functionality will be introduced as a .map edit command.  
			
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 This has been discussed in the Dom2 forum months or even years ago already - it is not possible with the current way maps work: Either 2 provinces are neighbours, or they are not. If they are neighbours, you can travel between them. Unpassable mountains are in fact non-existant neighbour connections. 
 
If this would be changed, there would have to be 2 neighbour declaration in the map file - bringing it to 2x the size and, more importantly, invalidating all maps currently available... . 
 
			
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 No it wouldn't.  Simply adding a new optional format to the #neighbour line would allow old maps to work just as is, while something like :
#neighbour 23 -> 40
Would mean that it's one way travel - 23 neighbors 40, but not vice versa.  Doesn't double the .map file size either, nor does it make it any more difficult to validate, unlike if there had to be a line for each direction (which is what you were thinking, I suspect) :
#neighbor 1 10
#neighbor 10 1  (works)
#neighbor 211 290
#neighbor 290 210 (oops!)